85467574618 has 4 divisors (see below), whose sum is σ = 128201361930. Its totient is φ = 42733787308.

The previous prime is 85467574609. The next prime is 85467574639. The reversal of 85467574618 is 81647576458.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 83080568169 + 2387006449 = 288237^2 + 48857^2 .

It is a super-2 number, since 2×85467574618² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21366893653 + ... + 21366893656.

Almost surely, 2^85467574618 is an apocalyptic number.

85467574618 is a deficient number, since it is larger than the sum of its proper divisors (42733787312).

85467574618 is a wasteful number, since it uses less digits than its factorization.

85467574618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42733787311.

The product of its digits is 45158400, while the sum is 61.

The spelling of 85467574618 in words is "eighty-five billion, four hundred sixty-seven million, five hundred seventy-four thousand, six hundred eighteen".